Algebra and Trigonometry 10th Edition

by Larson, Ron

Published by Cengage Learning

ISBN 10: 9781337271172

ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.2 - Linear Equations in One Variable - 1.2 Exercises - Page 87: 31

Answer

x = 4

Work Step by Step

Solve : $(5x-4) \div (5x+4)$ = 2/3 (5x-4)3 = (5x+4)2 15x - 12 = 10x = 8 5x = 20 x = 4 Check : LHS = $(5x-4) \div (5x+4)$ = $(5(4)-4) \div (5(4)+4)$ = 16/24 = 2/3 RHS = 2/3 LHS = RHS, Hence Verified

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